2020-02-29 08:25:20 +00:00
|
|
|
From 941d43e29b1fa7352eb006b5ec37d6990ed3b877 Mon Sep 17 00:00:00 2001
|
|
|
|
|
From: Phil Elwell <phil@raspberrypi.org>
|
|
|
|
|
Date: Fri, 15 Nov 2019 08:48:08 +0000
|
|
|
|
|
Subject: [PATCH] dwc_otg: Declare DMA capability with HCD_DMA flag
|
|
|
|
|
|
|
|
|
|
Following [1], USB controllers have to declare DMA capabilities in
|
|
|
|
|
order for them to be used by adding the HCD_DMA flag to their hc_driver
|
|
|
|
|
struct.
|
|
|
|
|
|
|
|
|
|
[1] 7b81cb6bddd2 ("usb: add a HCD_DMA flag instead of guestimating DMA capabilities")
|
|
|
|
|
|
|
|
|
|
Signed-off-by: Phil Elwell <phil@raspberrypi.org>
|
|
|
|
|
---
|
|
|
|
|
drivers/usb/host/dwc_otg/dwc_otg_hcd_linux.c | 2 +-
|
|
|
|
|
1 file changed, 1 insertion(+), 1 deletion(-)
|
|
|
|
|
|
|
|
|
|
--- a/drivers/usb/host/dwc_otg/dwc_otg_hcd_linux.c
|
|
|
|
|
+++ b/drivers/usb/host/dwc_otg/dwc_otg_hcd_linux.c
|
2020-05-13 12:50:56 +00:00
|
|
|
@@ -119,7 +119,7 @@ static struct hc_driver dwc_otg_hc_drive
|
2020-02-29 08:25:20 +00:00
|
|
|
|
|
|
|
|
.irq = dwc_otg_hcd_irq,
|
|
|
|
|
|
|
|
|
|
- .flags = HCD_MEMORY | HCD_USB2,
|
|
|
|
|
+ .flags = HCD_MEMORY | HCD_DMA | HCD_USB2,
|
|
|
|
|
|
|
|
|
|
//.reset =
|
|
|
|
|
.start = hcd_start,
|
